package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDish;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureOrder;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /**
     * 根据条件查询套餐数据
     *
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal) {
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }

    /**
     * 新增套餐
     *
     * @param setmealDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息：{}", setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }

    /**
     * 套餐信息修改
     *
     * @param setmealDto
     * @return
     */
    @PutMapping
    public R put(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息修改：{}", setmealDto);

        setmealService.removeById(setmealDto.getId());

        LambdaQueryWrapper<SetmealDish> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.eq(SetmealDish::getSetmealId,setmealDto.getId());

        setmealDishService.remove(queryWrapper);

        setmealService.saveWithDish(setmealDto);

        return R.success("修改套餐成功");

    }


    /**
     * 套餐分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null, Setmeal::getName, name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo, queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /**
     * 删除套餐
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids) {
        log.info("删除套餐ids:{}", ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * 停售启售套餐
     *
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> status(@PathVariable Integer status, @RequestParam List<Long> ids) {

        log.info("修改菜品状态status:{} ids:{}", status, ids);

        for (int i = 0; i < ids.size(); i++) {
            Long setmealId = ids.get(i);

            LambdaQueryWrapper<Setmeal> lambdaQueryWrapper = new LambdaQueryWrapper<>();

            lambdaQueryWrapper.eq(Setmeal::getId, setmealId);

            Setmeal setmeal = setmealService.getOne(lambdaQueryWrapper);

            if (setmeal != null) {
                setmeal.setStatus(status);
                setmealService.updateById(setmeal);
            }
        }

        return R.success("修改完毕");
    }

    @GetMapping("{id}")
    public R get(@PathVariable Long id) {

        log.info("菜品数据回显id:", id);

        SetmealDto setmealDto = new SetmealDto();

        LambdaQueryWrapper<Setmeal> lambdaQueryWrapper = new LambdaQueryWrapper<>();

        lambdaQueryWrapper.eq(Setmeal::getId,id);

        Setmeal setmeal = setmealService.getOne(lambdaQueryWrapper);

        BeanUtils.copyProperties(setmeal,setmealDto);

        LambdaQueryWrapper<SetmealDish> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.eq(SetmealDish::getSetmealId,id);

        List<SetmealDish> list = setmealDishService.list(queryWrapper);

        setmealDto.setSetmealDishes(list);


        if (setmeal != null) {
            return R.success(setmealDto);
        }else {
            return R.error("菜品不存在");
        }


    }

}













